This might help, 54-56 share the same chassis: http://www.network54.com/Forum/74182/thread/1316842811/-+on+headers+for+a+56+ford+car
Ford Powertrain Applications (FPA) makes great headers, and they make a set to fit '54-'56 cars. http://www.fordpowertrain.com/FPAindex/Fordpassenger1.htm Good Luck